隐藏WPF ToolBar 左侧的移动虚线和右侧的小箭头

   1: private void ToolBar_Loaded(object sender, RoutedEventArgs e)

   2: {

   3:     ToolBar toolBar = sender as ToolBar;

   4:     var overflowGrid = toolBar.Template.FindName("OverflowGrid", toolBar) as FrameworkElement;

   5:     if(overflowGrid != null)

   6:     {

   7:         overflowGrid.Visibility = Visibility.Collapsed;

   8:     }

   9:  

  10:     var mainPanelBorder = toolBar.Template.FindName("MainPanelBorder", toolBar) as FrameworkElement;

  11:     if(mainPanelBorder != null)

  12:     {

  13:         mainPanelBorder.Margin = new Thickness(0);

  14:     }

  15: }